<template>
    <div class="app-container">
        讲师列表

        <!--查询表单-->
        <el-form :inline="true" class="demo-form-inline">
            <el-form-item>
                <el-input v-model="teacherQuery.name" placeholder="讲师名"/>
            </el-form-item>
            <el-form-item>
                <el-select v-model="teacherQuery.level" clearable placeholder="讲师头衔">
                    <el-option :value="1" label="高级讲师"/>
                    <el-option :value="2" label="首席讲师"/>
                </el-select>
            </el-form-item>
            <el-form-item label="添加时间">
                <el-date-picker
                    v-model="teacherQuery.begin"
                    type="datetime"
                    placeholder="选择开始时间"
                    value-format="yyyy-MM-dd HH:mm:ss"
                    default-time="00:00:00"
                />
            </el-form-item>
            <el-form-item>
                <el-date-picker
                    v-model="teacherQuery.end"
                    type="datetime"
                    placeholder="选择截止时间"
                    value-format="yyyy-MM-dd HH:mm:ss"
                    default-time="00:00:00"
                />
            </el-form-item>
            <el-button type="primary" icon="el-icon-search" @click="getList()">查
            询</el-button>
            <el-button type="default" @click="resetData()">清空</el-button>
        </el-form>

        <!-- 表格 -->
        <el-table
            v-loading="listLoading"
            :data="list"
            element-loading-text="数据加载中"
            border
            fit
            highlight-current-row>
            <el-table-column
                label="序号"
                width="70"
                align="center">
                <template slot-scope="scope">
                    {{ (page - 1) * limit + scope.$index + 1 }}
                </template>
            </el-table-column>
            <el-table-column prop="name" label="名称" width="80" />
                <el-table-column label="头衔" width="80">
                    <template slot-scope="scope">
                        {{ scope.row.level===1?'高级讲师':'首席讲师' }}
                    </template>
                </el-table-column>
                <el-table-column prop="intro" label="资历" />
                <el-table-column prop="gmtCreate" label="添加时间" width="160"/>
                <el-table-column prop="sort" label="排序" width="60" />
                <el-table-column label="操作" width="200" align="center">
                    <template slot-scope="scope">
                        <router-link :to="'/teacher/edit/'+scope.row.id">
                            <el-button type="primary" size="mini" icon="el-icon-edit">修改</el-button>
                        </router-link>
                        <el-button type="danger" size="mini" icon="el-icon-delete"
                            @click="removeDataById(scope.row.id)">删除</el-button>
                    </template>
                </el-table-column>
        </el-table>
        <!-- 分页 -->
        <el-pagination
            :current-page="page"
            :page-size="limit"
            :total="total"
            style="padding: 30px 0; text-align: center;"
            layout="total, prev, pager, next, jumper"
            @current-change="getList"
        />
    </div>
</template>
<script>
import teacher from '@/api/edu/teacher'

export default {
    // data:{//组件中这样用会出问题
    // }
    data() {//页面变量
        return {
            list:null,//接口返回数据，数组类型
            page:1,//当前页
            limit:10,//每页记录数
            total:0,//总记录数
            teacherQuery:{}//条件封装对象
        }
    },
    created() {//页面渲染之前执行，一般调用methods定义的方法
        this.getList()
    },
    methods:{
        getList(page=1) {
            this.page=page
            teacher.getTeacherListPage(this.page,this.limit,this.teacherQuery)
                .then(response =>{
                    //response接口返回的数据
                    // console.log(response)
                    this.list = response.data.rows
                    this.total = response.data.total
                    console.log(this.list)
                    console.log(this.total)
                }) //请求成功
                .catch(error => {console.log(error)}) //请求失败
        },
        resetData() {//清空
            this.teacherQuery={}
            this.getList();
        },
        removeDataById(id){
            this.$confirm('此操作将永久删除该记录, 是否继续?', '提示', {
                confirmButtonText: '确定',
                cancelButtonText: '取消',
                type: 'warning'
            }).then(() => {//点击确定，执行then方法
                //调用删除方法
                teacher.deleteTeacherId(id)
                    .then(response =>{//删除成功
                        this.$message({
                            type: 'success',
                            message: '删除成功!'
                        })
                        //重新请求数据
                        this.getList()
                    })
                
            }).catch((response) => { // 失败
                if (response === 'cancel') {
                    this.$message({
                        type: 'info',
                        message: '已取消删除'
                    })
                } else {
                    this.$message({
                        type: 'error',
                        message: '删除失败'
                    })
                }
            })
        }
    }
}
</script>